Ogden Marsh is Hollywood’s typical snapshot of small-town, Podunk, Midwest America. Located in Iowa, it’s the kind of place where hunting, pickups, farming, the gentle smell of manure and voting Republican are generally the norm. It’s the type of town without strangers, where kids ride bicycles gleefully and without fear down Main Street, and where the entire town shows up to cheer on the high school baseball team. It’s idyllic, old-fashioned and charming. And when The Crazies opens you already …